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Press > Press releases > 2022

Harry Thomsen sets up a new Aareon's Management Board team

The Aareon Supervisory Board appoints Dr Ernesto Marinelli to the Management Board as Chief People Officer. Sabine Fischer, Chief Market Officer, who will retire, is followed by Rumyana Trencheva. Both come from SAP.

Mainz, 30 May 2022 – The Supervisory Board of Aareon, a leading provider of ERP software and digital solutions for the European property sector, has appointed Rumyana Trencheva and Dr Ernesto Marinelli to the Management Board with effect from 1 July 2022. Marinelli will in future be responsible for the newly created board function as Chief People Officer (CPO). Trencheva has been appointed Chief Market Officer (CMO) and will succeed Sabine Fischer, who is taking her long-planned retirement.

"I am delighted that we have been able to recruit Rumyana Trencheva and Dr Ernesto Marinelli as new members of the Aareon Management Board," said Aareon CEO Hartmut Thomsen. "As we aim to grow strongly in the coming years, recruiting and developing our employees is a top priority and Board task. I am very pleased to welcome Dr Ernesto Marinelli to the Management Board of Aareon. With more than 20 years of experience in high-growth technology companies, he will provide important impetus in the development of our employees. However, our ambitious growth plans also include further expanding our strong market position. Rumyana Trencheva has extensive experience in building international sales teams and supporting clients through the technology innovation cycle. I am delighted to welcome her to the team. At the same time, I would like to extend my sincere thanks to Sabine Fischer, who has made a significant contribution to Aareon Group's success in Europe since 2015. I can understand her long-planned wish to have more time for private matters, and I wish her all the best for her future."

With more than 20 years of experience, Dr Ernesto Marinelli is a proven expert in human resources (HR) and transformation. He is currently Global Head of Global People Success Services at SAP.

Topics such as resilience, agility, diversity, continuous learning and talent management are key success factors for any modern company," emphasises HR specialist Marinelli, "after all, it's all about people business. Aareon is a very attractive employer that is on an exciting growth path that needs to be shaped with an eye to the future. I am looking forward to contributing my expertise and taking Aareon to a new level for employees as well as young talents to accelerate the company's success."

Rumyana Trencheva has extensive international experience in building strong sales teams in different countries, transforming go-to-market sales strategy and building new business models to increase business application sales and technology adoption. She is currently Global Chief Revenue Officer of Partner Ecosystem Success at SAP.

"Aareon is at a crucial stage of digital transformation on its way to becoming a SaaS company offering best-in-class products and services through the Aareon Smart World digital ecosystem", Trencheva emphasises. "I will passionately drive this process by further expanding growth-oriented business models as well as developing new ones and creating additional value for Aareon's clients with international teams and innovative technologies. I look forward to contributing to our joint success.

Commenting on the new line-up of Aareon's Management Board team, Jochen Klösges, Chairman of Aareon's Supervisory Board, said: "By creating the new Management Board function Chief People Officer, we are taking into account the area of Human Resources as an increasingly critical factor for success. I am pleased that we have been able to attract Dr Ernesto Marinelli, a proven expert from the software industry. At the same time, Rumyana Trencheva, as Chief Market Officer, will provide decisive impulses to continue our ambitious growth plans. I would also like to sincerely thank Sabine Fischer for her valuable contribution to Aareon Group, and wish her all the very best for her future."

Ernesto Marinelli (Picture Credit: Angelika Stehle)Download

Dr. Ernesto Marinelli

Chief People Officer (Picture Credit: Angelika Stehle, Wiesbaden)

Rumyana Trencheva (Picture Credit: Angelika Stehle, Wiesbaden)Download

Rumyana Trencheva

Chief Revenue Officer (Picture Credit: Angelika Stehle, Wiesbaden)

About Aareon

Aareon is the leading provider of ERP software and digital solutions for the European property industry and its partners. The company is digitalising the property management by offering user-oriented software solutions that simplify and automate processes, support sustainable and energy-efficient operations and interconnect all process participants. Research and development activities of Aareon pursue a collaborative approach in which knowledge and expertise of the technology leader meet the needs and requirements of its clients. This results in solutions that help make peoples’ lives and work easier and enable companies to realise new value-creation potential.


Across Europe more than 7,000 clients manage approximately 12 million units. The Aareon Group has a presence with offices in the DACH region, Finland, France, the United Kingdom, the Netherlands, Norway and Sweden and employs more than 2,000 people. In 2021, Aareon generated revenue of €269 million and adjusted EBITDA of €67 million.

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